/// <summary>
/// Event handler that monitors Windows foreground window changes in order to prevent the annoying problem of
/// Steam stealing focus from LB after some games exit (at which time LB/BB should be the active Window).
/// This is only enabled if the 'PreventSteamFocusStealing' setting is enabled.
/// </summary>
/// <param name="sender">The object who issued the event.</param>
/// <param name="windowHeader">The title of the newly activated window.</param>
/// <param name="hwnd">The handle of the newly activated window.</param>
private void OnActiveWindowChanged(object sender, string windowHeader, IntPtr hwnd)
{
if (hwnd == Utilities.GetLaunchBoxProcess().MainWindowHandle)
{
_lastTimeLbInForeground = DateTime.Now;
return;
}
if (hwnd == SteamProcessInfo.SteamProcess.MainWindowHandle)
{
var timeSinceLbGotFocus = DateTime.Now.Subtract(_lastTimeLbInForeground);
if (timeSinceLbGotFocus >= TimeSpan.FromSeconds(Config.Instance.TotalSecondsToPreventSteamFocus))
{
return;
}
Logger.Info("Forcing LaunchBox window into the foreground because Steam window stole focus.");
ActiveWindow.SetForegroundWindow(Utilities.GetLaunchBoxProcess().MainWindowHandle);
DisableActiveWindowHook();
}
}